Subaru Impreza 2002 Service Manual page 524

DIAGNOSTICS CHART WITH SUBARU SELECT MONITOR
Step
20 CHECK LATERAL G SENSOR.
Measure the voltage between lateral G sensor
connector terminals.
Connector & terminal
(B257) No. 2 (+) — No. 3 ( − − − − ):
21 CHECK POOR CONTACT IN CONNECTORS.
Turn the ignition switch to OFF.
22 CHECK ABSCM&H/U.
1)Connect all connectors.
2)Erase the memory.
3)Perform the inspection mode.
4)Read out the DTC.
23 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODES (DTCs) APPEARANCE.
Check
Is the voltage between 1.3 and
1.7 V when lateral G sensor is
inclined backwards to 90°?
Is there poor contact in con-
nector between ABSCM&H/U
and lateral G sensor?
Is the same DTC as in current
diagnosis still being output?
Are other DTCs being output? Proceed with the
ABS-27
ABS (DIAGNOSTICS)
Yes
Go to step 21. Replace the lateral
G sensor. <Ref. to
ABS-5, Lateral G
Sensor.>
Repair the con- Go to step 22.
nector.
Replace the Go to step 23.
ABSCM&H/U.
<Ref. to ABS-4,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
A temporary poor
diagnosis corre- contact.
sponding to DTC.
No